<template>
    <header class="head-nav">
        <el-row>
            <el-col :span="6" class='logo-container'>
                <img src="../assets/logo.png" class='logo' alt="">
                <span class='title'>米修在线后台管理系统</span>
            </el-col>
            <el-col :span='6' class="user">
                <div class="userinfo">
                    <img :src="user.avatar" class='avatar' alt="">
                    <div class='welcome'>
                        <p class='name comename'>欢迎</p>
                        <p class='name avatarname'>{{user.name}}</p>
                    </div>
                    <span class='username'>
                        <el-dropdown trigger="click" @command='setDialogInfo'>
                            <span class="el-dropdown-link">
                                <i class="el-icon-caret-bottom el-icon--right"></i>
                            </span>
                            <el-dropdown-menu slot="dropdown">
                                <el-dropdown-item command='info'>个人信息</el-dropdown-item>
                                <el-dropdown-item command='logout'>退出</el-dropdown-item>
                            </el-dropdown-menu>
                        </el-dropdown>
                    </span>
                </div>
            </el-col>

        </el-row>

    </header>
</template>
<script>
    export default {
        name: "head-nav",
        computed: {
            user() {
                return this.$store.getters.user;
            }
        },
        methods: {
            setDialogInfo(cmditem) {
                if (!cmditem) {
                    console.log("test");
                    this.$message("菜单选项缺少command属性");
                    return;
                }
                switch (cmditem) {
                    case "info":
                        this.showInfoList();
                        break;
                    case "logout":
                        this.logout();
                        break;
                }
            },
            showInfoList() {
                // 个人信息
                this.$router.push("/infoshow");
            },
            logout() {
                // 清除token
                localStorage.removeItem("eleToken");
                this.$store.dispatch("clearCurrentState");

                // 页面跳转
                this.$router.push("/login");
            }
        }
    };
</script>

<style scoped>
    .head-nav {
        width: 100%;
        height: 60px;
        min-width: 600px;
        padding: 5px;
        background: #324057;
        color: #fff;
        border-bottom: 1px solid #1f2d3d;
    }

    .logo-container {
        line-height: 60px;
        min-width: 400px;
    }

    .logo {
        height: 50px;
        width: 50px;
        margin-right: 5px;
        vertical-align: middle;
        display: inline-block;
    }

    .title {
        vertical-align: middle;
        font-size: 22px;
        font-family: "Microsoft YaHei";
        letter-spacing: 3px;
    }

    .user {
        line-height: 60px;
        text-align: right;
        float: right;
        padding-right: 10px;
    }

    .avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        vertical-align: middle;
        display: inline-block;
    }

    .welcome {
        display: inline-block;
        width: auto;
        vertical-align: middle;
        padding: 0 5px;
    }

    .name {
        line-height: 20px;
        text-align: center;
        font-size: 14px;
    }

    .comename {
        font-size: 12px;
    }

    .avatarname {
        color: #409eff;
        font-weight: bolder;
    }

    .username {
        cursor: pointer;
        margin-right: 5px;
    }

    .el-dropdown {
        color: #fff;
    }
</style>